samples/layout/layout.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        layout.cpp
   3 // Purpose:     Layout sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20 #include "wx/wx.h"
  21 #endif
  22
  23 #if !wxUSE_CONSTRAINTS
  24 #error You must set wxUSE_CONSTRAINTS to 1 in setup.h!
  25 #endif
  26
  27 #include <ctype.h>
  28
  29 #include "wx/sizer.h"
  30 #include "wx/statline.h"
  31 #include "wx/notebook.h"
  32
  33 #include "layout.h"
  34
  35 // Declare two frames
  36 MyFrame   *frame = (MyFrame *) NULL;
  37 wxMenuBar *menu_bar = (wxMenuBar *) NULL;
  38
  39 IMPLEMENT_APP(MyApp)
  40
  41 MyApp::MyApp()
  42 {
  43 }
  44
  45 bool MyApp::OnInit()
  46 {
  47   // Create the main frame window
  48   frame = new MyFrame(NULL, _T("wxWindows Layout Demo"), -1, -1, 400, 300);
  49
  50   frame->SetAutoLayout(TRUE);
  51
  52   // Give it a status line
  53   frame->CreateStatusBar(2);
  54
  55   // Make a menubar
  56   wxMenu *file_menu = new wxMenu;
  57
  58   file_menu->Append(LAYOUT_TEST_SIZER, _T("&Test sizers"),      _T("Test sizer"));
  59   file_menu->Append(LAYOUT_TEST_NB, _T("&Test notebook sizers"),      _T("Test notebook sizer"));
  60
  61   file_menu->AppendSeparator();
  62   file_menu->Append(LAYOUT_QUIT, _T("E&xit"),                _T("Quit program"));
  63
  64   wxMenu *help_menu = new wxMenu;
  65   help_menu->Append(LAYOUT_ABOUT, _T("&About"),              _T("About layout demo"));
  66
  67   menu_bar = new wxMenuBar;
  68
  69   menu_bar->Append(file_menu, _T("&File"));
  70   menu_bar->Append(help_menu, _T("&Help"));
  71
  72   // Associate the menu bar with the frame
  73   frame->SetMenuBar(menu_bar);
  74
  75   // Make a panel
  76   wxPanel *panel = new wxPanel(frame);
  77
  78   // Create some panel items
  79   wxButton *btn1 = new wxButton(panel, -1, _T("A button (1)")) ;
  80
  81   wxLayoutConstraints *b1 = new wxLayoutConstraints;
  82   b1->centreX.SameAs    (panel, wxCentreX);
  83   b1->top.SameAs        (panel, wxTop, 5);
  84   b1->width.PercentOf   (panel, wxWidth, 80);
  85   b1->height.AsIs       ();
  86   btn1->SetConstraints(b1);
  87
  88   wxListBox *list = new wxListBox(panel, -1,
  89                                   wxPoint(-1, -1), wxSize(200, 100));
  90   list->Append(_T("Apple"));
  91   list->Append(_T("Pear"));
  92   list->Append(_T("Orange"));
  93   list->Append(_T("Banana"));
  94   list->Append(_T("Fruit"));
  95
  96   wxLayoutConstraints *b2 = new wxLayoutConstraints;
  97   b2->top.Below         (btn1, 5);
  98   b2->left.SameAs       (panel, wxLeft, 5);
  99   b2->width.PercentOf   (panel, wxWidth, 40);
 100   b2->bottom.SameAs     (panel, wxBottom, 5);
 101   list->SetConstraints(b2);
 102
 103   wxTextCtrl *mtext = new wxTextCtrl(panel, -1, _T("Some text"));
 104
 105   wxLayoutConstraints *b3 = new wxLayoutConstraints;
 106   b3->top.Below         (btn1, 5);
 107   b3->left.RightOf      (list, 5);
 108   b3->right.SameAs      (panel, wxRight, 5);
 109   b3->bottom.SameAs     (panel, wxBottom, 5);
 110   mtext->SetConstraints(b3);
 111
 112   MyWindow *canvas = new MyWindow(frame, 0, 0, 400, 400, wxRETAINED);
 113
 114   // Make a text window
 115   MyTextWindow *text_window = new MyTextWindow(frame, 0, 250, 400, 150);
 116
 117   // Set constraints for panel subwindow
 118   wxLayoutConstraints *c1 = new wxLayoutConstraints;
 119
 120   c1->left.SameAs       (frame, wxLeft);
 121   c1->top.SameAs        (frame, wxTop);
 122   c1->right.PercentOf   (frame, wxWidth, 50);
 123   c1->height.PercentOf  (frame, wxHeight, 50);
 124
 125   panel->SetConstraints(c1);
 126
 127   // Set constraints for canvas subwindow
 128   wxLayoutConstraints *c2 = new wxLayoutConstraints;
 129
 130   c2->left.SameAs       (panel, wxRight);
 131   c2->top.SameAs        (frame, wxTop);
 132   c2->right.SameAs      (frame, wxRight);
 133   c2->height.PercentOf  (frame, wxHeight, 50);
 134
 135   canvas->SetConstraints(c2);
 136
 137   // Set constraints for text subwindow
 138   wxLayoutConstraints *c3 = new wxLayoutConstraints;
 139   c3->left.SameAs       (frame, wxLeft);
 140   c3->top.Below         (panel);
 141   c3->right.SameAs      (frame, wxRight);
 142   c3->bottom.SameAs     (frame, wxBottom);
 143
 144   text_window->SetConstraints(c3);
 145
 146   frame->Show(TRUE);
 147
 148   frame->SetStatusText(_T("wxWindows layout demo"));
 149
 150   SetTopWindow(frame);
 151
 152   return TRUE;
 153 }
 154
 155 //-----------------------------------------------------------------
 156 //  MyFrame
 157 //-----------------------------------------------------------------
 158
 159 // Define my frame constructor
 160 MyFrame::MyFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int h)
 161        : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
 162 {
 163 }
 164
 165 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 166   EVT_MENU(LAYOUT_QUIT, MyFrame::OnQuit)
 167   EVT_MENU(LAYOUT_TEST_SIZER, MyFrame::TestSizers)
 168   EVT_MENU(LAYOUT_TEST_NB, MyFrame::TestNotebookSizers)
 169   EVT_MENU(LAYOUT_ABOUT, MyFrame::About)
 170 END_EVENT_TABLE()
 171
 172 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 173 {
 174     Close(TRUE);
 175 }
 176
 177 void MyFrame::TestSizers(wxCommandEvent& WXUNUSED(event) )
 178 {
 179     MySizerFrame *newFrame = new MySizerFrame(NULL, _T("Sizer Test Frame"), 50, 50);
 180     newFrame->Show(TRUE);
 181 }
 182
 183 void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
 184 {
 185     wxDialog dialog( this, -1, wxString(_T("Notebook Sizer Test Dialog"))  );
 186
 187     // Begin with first hierarchy: a notebook at the top and
 188     // and OK button at the bottom.
 189
 190     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 191
 192     wxNotebook *notebook = new wxNotebook( &dialog, -1 );
 193     wxNotebookSizer *nbs = new wxNotebookSizer( notebook );
 194     topsizer->Add( nbs, 1, wxGROW );
 195
 196     wxButton *button = new wxButton( &dialog, wxID_OK, _T("OK") );
 197     topsizer->Add( button, 0, wxALIGN_RIGHT | wxALL, 10 );
 198
 199     // First page: one big text ctrl
 200     wxTextCtrl *multi = new wxTextCtrl( notebook, -1, _T("TextCtrl."), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
 201     notebook->AddPage( multi, _T("Page One") );
 202
 203     // Second page: a text ctrl and a button
 204     wxPanel *panel = new wxPanel( notebook, -1 );
 205     notebook->AddPage( panel, _T("Page Two") );
 206
 207     wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
 208
 209     wxTextCtrl *text = new wxTextCtrl( panel, -1, _T("TextLine 1."), wxDefaultPosition, wxSize(250,-1) );
 210     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
 211     text = new wxTextCtrl( panel, -1, _T("TextLine 2."), wxDefaultPosition, wxSize(250,-1) );
 212     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
 213     wxButton *button2 = new wxButton( panel, -1, _T("Hallo") );
 214     panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
 215
 216     panel->SetAutoLayout( TRUE );
 217     panel->SetSizer( panelsizer );
 218
 219     // Tell dialog to use sizer
 220
 221     dialog.SetAutoLayout( TRUE );
 222     dialog.SetSizer( topsizer );
 223     topsizer->Fit( &dialog );
 224     topsizer->SetSizeHints( &dialog );
 225
 226     dialog.ShowModal();
 227 }
 228
 229
 230 void MyFrame::About(wxCommandEvent& WXUNUSED(event) )
 231 {
 232     (void)wxMessageBox(_T("wxWindows GUI library layout demo\n"),
 233             _T("About Layout Demo"), wxOK|wxCENTRE);
 234 }
 235
 236 //-----------------------------------------------------------------
 237 //  MyWindow
 238 //-----------------------------------------------------------------
 239
 240 BEGIN_EVENT_TABLE(MyWindow, wxWindow)
 241     EVT_PAINT(MyWindow::OnPaint)
 242 END_EVENT_TABLE()
 243
 244 // Define a constructor for my canvas
 245 MyWindow::MyWindow(wxFrame *frame, int x, int y, int w, int h, long style)
 246         : wxWindow(frame, -1, wxPoint(x, y), wxSize(w, h), style)
 247 {
 248 }
 249
 250 MyWindow::~MyWindow()
 251 {
 252 }
 253
 254 // Define the repainting behaviour
 255 void MyWindow::OnPaint(wxPaintEvent& WXUNUSED(event) )
 256 {
 257   wxPaintDC dc(this);
 258   dc.SetPen(* wxGREEN_PEN);
 259   dc.DrawLine(0, 0, 200, 200);
 260   dc.DrawLine(200, 0, 0, 200);
 261
 262   dc.SetBrush(* wxCYAN_BRUSH);
 263   dc.SetPen(* wxRED_PEN);
 264
 265   dc.DrawRectangle(100, 100, 100, 50);
 266   dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
 267
 268   dc.DrawEllipse(250, 250, 100, 50);
 269 #if wxUSE_SPLINES
 270   dc.DrawSpline(50, 200, 50, 100, 200, 10);
 271 #endif // wxUSE_SPLINES
 272   dc.DrawLine(50, 230, 200, 230);
 273
 274   dc.SetPen(* wxBLACK_PEN);
 275   dc.DrawArc(50, 300, 100, 250, 100, 300 );
 276 }
 277
 278 //-----------------------------------------------------------------
 279 //  MySizerFrame
 280 //-----------------------------------------------------------------
 281
 282 MySizerFrame::MySizerFrame(wxFrame *frame, wxChar *title, int x, int y )
 283             : wxFrame(frame, -1, title, wxPoint(x, y) )
 284 {
 285   // we want to get a dialog that is stretchable because it
 286   // has a text ctrl in the middle. at the bottom, we have
 287   // two buttons which.
 288
 289   wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 290
 291   // 1) top: create wxStaticText with minimum size equal to its default size
 292   topsizer->Add(
 293     new wxStaticText( this, -1, _T("An explanation (wxALIGN_RIGHT).") ),
 294     0,                         // make vertically unstretchable
 295     wxALIGN_RIGHT |            // right align text
 296     wxTOP | wxLEFT | wxRIGHT,  // make border all around except wxBOTTOM
 297     5 );                      // set border width to 5
 298
 299   // 2) top: create wxTextCtrl with minimum size (100x60)
 300   topsizer->Add(
 301     new wxTextCtrl( this, -1, _T("My text (wxEXPAND)."), wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
 302     1,            // make vertically stretchable
 303     wxEXPAND |    // make horizontally stretchable
 304     wxALL,        //   and make border all around
 305     5 );         // set border width to 5
 306
 307   // 2.5) Gratuitous test of wxStaticBoxSizers
 308   wxBoxSizer *statsizer = new wxStaticBoxSizer(
 309     new wxStaticBox(this, -1, _T("A wxStaticBoxSizer")),
 310     wxVERTICAL );
 311   statsizer->Add(
 312     new wxStaticText(this, -1, _T("And some TEXT inside it")),
 313     0,
 314     wxCENTER |
 315     wxALL,
 316     30);
 317   topsizer->Add(statsizer, 1, wxEXPAND | wxALL, 10);
 318
 319     // 2.7) And a test of wxGridSizer
 320     wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);
 321     gridsizer->Add(new wxStaticText(this, -1, _T("Label")), 0,
 322                   wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
 323     gridsizer->Add(new wxTextCtrl(this, -1, _T("Grid sizer demo")), 1,
 324                    wxGROW | wxALIGN_CENTER_VERTICAL);
 325     gridsizer->Add(new wxStaticText(this, -1, _T("Another label")), 0,
 326                    wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
 327     gridsizer->Add(new wxTextCtrl(this, -1, _T("More text")), 1,
 328                    wxGROW | wxALIGN_CENTER_VERTICAL);
 329     gridsizer->Add(new wxStaticText(this, -1, _T("Final label")), 0,
 330                    wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
 331     gridsizer->Add(new wxTextCtrl(this, -1, _T("And yet more text")), 1,
 332                    wxGROW | wxALIGN_CENTER_VERTICAL);
 333     topsizer->Add(gridsizer, 1, wxGROW | wxALL, 10);
 334
 335
 336   // 3) middle: create wxStaticLine with minimum size (3x3)
 337   topsizer->Add(
 338      new wxStaticLine( this, -1, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
 339      0,           // make vertically unstretchable
 340      wxEXPAND |   // make horizontally stretchable
 341      wxALL,       //   and make border all around
 342      5 );         // set border width to 5
 343
 344
 345   // 4) bottom: create two centred wxButtons
 346   wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
 347   button_box->Add(
 348      new wxButton( this, -1, _T("Two buttons in a box") ),
 349      0,           // make horizontally unstretchable
 350      wxALL,       // make border all around
 351      7 );         // set border width to 7
 352   button_box->Add(
 353      new wxButton( this, -1, _T("(wxCENTER)") ),
 354      0,           // make horizontally unstretchable
 355      wxALL,       // make border all around
 356      7 );         // set border width to 7
 357
 358   topsizer->Add(
 359      button_box,
 360      0,          // make vertically unstretchable
 361      wxCENTER ); // no border and centre horizontally
 362
 363   // don't allow frame to get smaller than what the sizers tell it and also set
 364   // the initial size as calculated by the sizers
 365   topsizer->SetSizeHints( this );
 366
 367   SetSizer( topsizer );
 368 }
 369
 370
 371